(C++) Load Base64-encoded X.509 Certificate (.cer)

Loads a digital certificate from a base64 encoded DER X.509 Certificate (.cer, .crt) and fetches information about the cert.

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#include <CkCert.h>

void ChilkatSample(void)
    {
    CkCert cert;

    bool success;

    //  LoadFromFile will load virtually any certificate format file.
    //  It will auto-recognize the format and load appropiately.
    //  A base64-encoded DER X.509 certificate file
    //  contains the binary DER in base64 encoded form.
    //  Therefore, it is a text file that will begin like this:
    //  -----BEGIN CERTIFICATE-----
    //  MIIFbjCCBFagAwIBAgIGdDPNv/L0MA0GCSqGSIb3DQEBBQUAMIHKMQswCQYDVQQG
    //  EwJVUzEQMA4GA1UECBMHQXJpem9uYTETMBEGA1UEBxMKU2NvdHRzZGFsZTEaMBgG
    //  ...

    success = cert.LoadFromFile("/Users/chilkat/testData/cer/chilkat_base64.cer");
    if (success != true) {
        std::cout << cert.lastErrorText() << "\r\n";
        return;
    }

    //  DN = "Distinguished Name"
    std::cout << "SubjectDN:" << cert.subjectDN() << "\r\n";

    std::cout << "Common Name:" << cert.subjectCN() << "\r\n";
    std::cout << "Issuer Common Name:" << cert.issuerCN() << "\r\n";

    std::cout << "Serial Number:" << cert.serialNumber() << "\r\n";
    }